<!-- 以后项目的根组件 -->
<template>
    <div class="appContainer">
        <!-- mint-ui的头部组件 -->
        <mt-header fixed title="wxzApp商城系统">
            <a v-show="backShow" href="javascript:void(0)" slot="left">
                <mt-button icon="back" @click="backto">返回</mt-button>
            </a>
        </mt-header>
        <!-- 中间用vue-router的<router-view>站位 -->
          <transition>
            <router-view></router-view>
          </transition>
        

        <!-- 利用mui中的tabbar组件实现系统的底部 -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item1" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span id="shopcarBox" class="mui-badge">{{$store.getters.getCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item1" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>
</template>
<script>
export default {
  data() {
    //等价于es5的data:function(){}
    return {
      backShow: false
    };
  },
  watch: {
    $route:function(to, from) {
      if (to.path.toLowerCase() == "/home") {
        this.backShow = false;
      } else {
        this.backShow = true;
      }
    }
  },
  methods: {
    backto() {
      //利用路由的$router.go()来实现返回功能
      this.$router.go(-1);
    }
  },
  created() {}
};
</script>
<style scoped>
/*当前页面的css样式写到这里，其中scoped表示这个里面写的css代码只是在当前组件页面上有效，不会去影响到其他组件页面*/
.appContainer{
  overflow-x:hidden;
}
/* 切换页面过渡效果 */
.v-enter{
  opacity:0;
  transform: translateX(100%);
}
.v-leave-to{
  opacity:0;
  transform: translateX(-100%);
  position:absolute;
}
.v-enter-active,
.v-leave-active{
  transition: all 0.5s ease;
  
}
.mui-bar-tab .mui-tab-item1.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item1 {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item1 .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item1 .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
